| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] have [adv] been | 798 |
|
| 2 | [adj] have since been | 20 |
|
| 3 | [det] have since [been] | 13 |
|
| 4 | [det] [verb] since been | 13 |
|
| 5 | [det] have since [be] | 13 |
|
| 6 | [det] have since be | 13 |
|
